diff --git a/Gemfile.lock b/Gemfile.lock
index 66dfdbd..13ab230 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -136,7 +136,7 @@ GEM
       rake (>= 0.8.7)
       thor (>= 0.18.1, < 2.0)
     rake (10.1.0)
-    redcarpet (2.3.0)
+    redcarpet (3.5.1)
     rspec-core (2.13.1)
     rspec-expectations (2.13.0)
       diff-lcs (>= 1.1.3, < 2.0)